<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop="decreaseCount">
        <div class="inner icon-remove_circle_outline"></div>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-add icon-add_circle" @click.stop="addCount"></div>
  </div>
</template>

<script type="text/ecmascript-6">
  import Vue from 'vue'
  export default{
    props: {
      food: {
        type: Object
      }
    },
    methods: {
      addCount(){
        if (!event._constructed) {
          return
        }
        if (!this.food.count) {
          Vue.set(this.food, 'count', 1)
        } else {
          this.food.count++
        }
      },
      decreaseCount(){
        if(!event._constructed){
            return
        }
        if(this.food.count){
            this.food.count--
        }
      }
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  .cartcontrol
    font-size: 0
    .cart-decrease
      display: inline-block
      padding: 6px
      &.move-enter-active,&.move-leave-active
        transition: all .3s linear
        .inner
          transition: all .3s linear
      &.move-enter-active,&.move-leave
        transform: translate3D(0,0,0)
        .inner
          transform: rotate(0)
      &.move-enter,&.move-leave-active
        opacity: 0
        transform: translate3D(24px,0,0)
        .inner
          transform: rotate(180deg)
      .inner
        display: inline-block
        width: 24px
        height: 24px
        line-height: 24px
        color: rgb(0, 160, 220)
        font-size: 24px
    .cart-count
      display: inline-block
      margin-top: 6px
      padding: 0 4px
      vertical-align: top
      line-height: 24px
      color: rgb(147, 153, 159)
      font-size: 10px
    .cart-add
      display: inline-block
      padding: 6px
      width: 24px
      height: 24px
      line-height: 24px
      color: rgb(0, 160, 220)
      font-size: 24px
</style>
